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/*
* ------------------------------------------------------------------------
* PACKAGE: [incr Tk]
* DESCRIPTION: Building mega-widgets with [incr Tcl]
*
* [incr Tk] provides a framework for building composite "mega-widgets"
* using [incr Tcl] classes. It defines a set of base classes that are
* specialized to create all other widgets.
*
*
* ========================================================================
* AUTHOR: Michael J. McLennan
* Bell Labs Innovations for Lucent Technologies
* mmclennan@lucent.com
* http://www.tcltk.com/itcl
* ========================================================================
* Copyright (c) 1993-1998 Lucent Technologies, Inc.
* ------------------------------------------------------------------------
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
#include <itclInt.h>
#include "itk.h"
/*
* List of options in alphabetical order:
*/
typedef struct ItkOptList {
Tcl_HashTable *options; /* list containing the real options */
Tcl_HashEntry **list; /* gives ordering of options */
int len; /* number of entries in order list */
int max; /* maximum size of order list */
} ItkOptList;
/*
* List of options created in the class definition:
*/
typedef struct ItkClassOptTable {
Tcl_HashTable options; /* option storage with fast lookup */
ItkOptList order; /* gives ordering of options */
} ItkClassOptTable;
/*
* Each option created in the class definition:
*/
typedef struct ItkClassOption {
Tcl_Obj* namePtr; /* member name */
Tcl_Obj* fullNamePtr; /* member name with "class::" qualifier */
ItclClass* iclsPtr; /* class containing this member */
int protection; /* protection level */
int flags; /* flags describing member (see above) */
ItclMemberCode *codePtr; /* code associated with member */
char *resName; /* resource name in X11 database */
char *resClass; /* resource class name in X11 database */
char *init; /* initial value for option */
} ItkClassOption;
/*
* Info associated with each Archetype mega-widget:
*/
typedef struct ArchInfo {
ItclObject *itclObj; /* object containing this info */
Tk_Window tkwin; /* window representing this mega-widget */
Tcl_HashTable components; /* list of all mega-widget components */
Tcl_HashTable options; /* list of all mega-widget options */
ItkOptList order; /* gives ordering of options */
} ArchInfo;
/*
* Each component widget in an Archetype mega-widget:
*/
typedef struct ArchComponent {
Tcl_Obj* namePtr; /* member name */
Tcl_Obj* fullNamePtr; /* member name with "class::" qualifier */
ItclClass* iclsPtr; /* class containing this member */
int protection; /* protection level */
int flags; /* flags describing member (see above) */
ItclMemberCode *codePtr; /* code associated with member */
Tcl_Command accessCmd; /* access command for component widget */
Tk_Window tkwin; /* Tk window for this component widget */
char *pathName; /* Tk path name for this component widget.
We can't use the tkwin pointer after
the window has been destroyed so we
need to save a copy for use in
Itk_ArchCompDeleteCmd() */
} ArchComponent;
/*
* Each option in an Archetype mega-widget:
*/
typedef struct ArchOption {
char *switchName; /* command-line switch for this option */
char *resName; /* resource name in X11 database */
char *resClass; /* resource class name in X11 database */
char *init; /* initial value for option */
int flags; /* flags representing option state */
Itcl_List parts; /* parts relating to this option */
} ArchOption;
/*
* Flag bits for ArchOption state:
*/
#define ITK_ARCHOPT_INIT 0x01 /* option has been initialized */
/*
* Various parts of a composite option in an Archetype mega-widget:
*/
typedef int (Itk_ConfigOptionPartProc) (Tcl_Interp *interp,
ItclObject *contextObj, void *cdata, const char* newVal);
typedef struct ArchOptionPart {
void *clientData; /* data associated with this part */
Itk_ConfigOptionPartProc *configProc; /* update when new vals arrive */
Tcl_CmdDeleteProc *deleteProc; /* clean up after clientData */
void *from; /* token that indicates who
* contributed this option part */
} ArchOptionPart;
/*
* Info kept by the itk::option-parser namespace and shared by
* all option processing commands:
*/
typedef struct ArchMergeInfo {
Tcl_HashTable usualCode; /* usual option handling code for the
* various widget classes */
ArchInfo *archInfo; /* internal option info for mega-widget */
ArchComponent *archComp; /* component being merged into mega-widget */
Tcl_HashTable *optionTable; /* table of valid configuration options
* for component being merged */
} ArchMergeInfo;
/*
* Used to capture component widget configuration options when a
* new component is being merged into a mega-widget:
*/
typedef struct GenericConfigOpt {
char *switchName; /* command-line switch for this option */
char *resName; /* resource name in X11 database */
char *resClass; /* resource class name in X11 database */
char *init; /* initial value for this option */
char *value; /* current value for this option */
char **storage; /* storage for above strings */
ArchOption *integrated; /* integrated into this mega-widget option */
ArchOptionPart *optPart; /* integrated as this option part */
} GenericConfigOpt;
/*
* Options that are propagated by a "configure" method:
*/
typedef struct ConfigCmdline {
Tcl_Obj *objv[4]; /* objects representing "configure" command */
} ConfigCmdline;
MODULE_SCOPE int Itk_ArchInitOptsCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchDeleteOptsCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchComponentCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchInitCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchOptionCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchCompAccessCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchConfigureCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchCgetCmd (void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchCompAddCmd(void *cdata,
Tcl_Interp *interp, Tcl_Size objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchCompDeleteCmd(void *cdata,
Tcl_Interp *interp, Tcl_Size objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchConfigOption(Tcl_Interp *interp,
ArchInfo *info, char *name, char *value);
MODULE_SCOPE int Itk_ArchOptionAddCmd(void *cdata,
Tcl_Interp *interp, Tcl_Size objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchOptionRemoveCmd(void *cdata,
Tcl_Interp *interp, Tcl_Size objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_PropagatePublicVar(Tcl_Interp *interp,
ItclObject *contextObj, void *cdata, const char *newval);
MODULE_SCOPE int Itk_GetArchInfo(Tcl_Interp *interp,
ItclObject* contextObj, ArchInfo **infoPtr);
MODULE_SCOPE void Itk_ArchOptConfigError(Tcl_Interp *interp,
ArchInfo *info, ArchOption *archOpt);
MODULE_SCOPE void Itk_ArchOptAccessError(Tcl_Interp *interp,
ArchInfo *info, ArchOption *archOpt);
MODULE_SCOPE ArchOptionPart* Itk_CreateOptionPart(
Tcl_Interp *interp, void *cdata, Itk_ConfigOptionPartProc* cproc,
Tcl_CmdDeleteProc *dproc, void *from);
MODULE_SCOPE int Itk_AddOptionPart(Tcl_Interp *interp,
ArchInfo *info, char *switchName, char *resName, char *resClass,
const char *defVal, char *currVal, ArchOptionPart *optPart,
ArchOption **raOpt);
MODULE_SCOPE ArchOptionPart* Itk_FindArchOptionPart(
ArchInfo *info, char *switchName, void *from);
MODULE_SCOPE void Itk_DelOptionPart(ArchOptionPart *optPart);
MODULE_SCOPE void Itk_DelArchInfo(void *cdata);
MODULE_SCOPE Tcl_HashTable* ItkGetObjsWithArchInfo
(Tcl_Interp *interp);
MODULE_SCOPE void ItkFreeObjsWithArchInfo(void *cdata,
Tcl_Interp *interp);
MODULE_SCOPE void Itk_DelMergeInfo(void *cdata);
MODULE_SCOPE int Itk_ArchOptKeepCmd(void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchOptIgnoreCmd(void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchOptRenameCmd(void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
MODULE_SCOPE int Itk_ArchOptUsualCmd(void *cdata,
Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]);
#include "itkIntDecls.h"
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